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104220542640 = 2435434252261
BaseRepresentation
bin110000100010000000…
…1110100011010110000
3100222000022100010022210
41201010001310122300
53201420424331030
6115513411532120
710346452665354
oct1410401643260
9328008303283
10104220542640
1140221863275
12182472ba040
139a9c02b856
1450897c3464
152a9ea25bb0
hex18440746b0

104220542640 has 40 divisors (see below), whose sum is σ = 323083682928. Its totient is φ = 27792144640.

The previous prime is 104220542609. The next prime is 104220542653. The reversal of 104220542640 is 46245022401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 104220542598 and 104220542607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217125891 + ... + 217126370.

Almost surely, 2104220542640 is an apocalyptic number.

104220542640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104220542640 is an abundant number, since it is smaller than the sum of its proper divisors (218863140288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104220542640 is a wasteful number, since it uses less digits than its factorization.

104220542640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434252277 (or 434252271 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 104220542640 in words is "one hundred four billion, two hundred twenty million, five hundred forty-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 434252261 868504522 1302756783 1737009044 2171261305 2605513566 3474018088 4342522610 5211027132 6513783915 6948036176 8685045220 10422054264 13027567830 17370090440 20844108528 26055135660 34740180880 52110271320 104220542640